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City of Sunnyvale, CaliforniaSunnyvale, CA 7-Day Weather Forecast
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Sunnyvale Weather Forecast
Sunnyvale, CA Weather Forecast Date: 602 PM PDT Fri Sep 04 2026
Weather forecast for Sunnyvale, CA
Tonight Lo: 55°F Lo: 13°C |
Tonight... Mostly clear. Lows in the mid 50s. Northwest winds 10 to 20 mph...Becoming 5 to 10 mph after midnight. |
Sat Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Sunny. Highs in the mid 70s to lower 80s. Northwest winds up to 5 mph increasing to 5 to 15 mph in the afternoon. |
Sun Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Sunday... Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 80s. West winds 5 to 15 mph. |
| Labor Day Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Labor Day... Sunny. Highs in the 80s. |
| Tue Hi: 87°FHi: 31°C Lo: 61°F Lo: 16°C |
Tuesday... Mostly clear. Lows in the upper 50s. Highs in the mid to upper 80s. |
Wed Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Wednesday... Mostly cloudy. A slight chance of rain. Highs in the upper 70s to mid 80s. Lows in the lower 60s. |
Thu Hi: 83°FHi: 28°C Lo: 60°F Lo: 16°C |
Thursday... Mostly cloudy in the morning then becoming partly cloudy. A slight chance of rain. Highs in the lower to mid 80s. |
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